CN113771008A - Waist-back type portable power assisting device for working tool - Google Patents
Waist-back type portable power assisting device for working tool Download PDFInfo
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- CN113771008A CN113771008A CN202111016791.3A CN202111016791A CN113771008A CN 113771008 A CN113771008 A CN 113771008A CN 202111016791 A CN202111016791 A CN 202111016791A CN 113771008 A CN113771008 A CN 113771008A
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- cross beam
- positioning seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/0006—Exoskeletons, i.e. resembling a human figure
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
- A01G13/0237—Devices for protecting a specific part of a plant, e.g. roots, trunk or fruits
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention discloses a waist-back type portable power assisting device for a working tool, which comprises an upright post (1), a back strap (2), a stay cable (3), an air spring (4) and a cross beam (5); the portable working tool is characterized in that the gas spring (4) is arranged on the stand column (1), the braces (2) are arranged on the stand column (1), one end of the cross beam (5) is arranged at the top of the stand column (1) and positioned at any angle, one end of the stay cable (3) is connected with the gas spring (4), the other end of the stay cable is connected with the portable working tool (6) along the cross beam (5), the pressure of the gas spring (4) and the gravity of the portable working tool (6) reach a balance state at any position, and the portable working tool (6) is made to be static at the position. The device makes the hand-held force of the operator transferred to the waist and the back, can reduce fatigue and has higher operation efficiency for long-time operation.
Description
Technical Field
The invention relates to the technical field of portable working tools, in particular to a waist-back type power assisting device for a portable working tool.
Background
At present, various portable working tools are provided, generally, a working main body and a power generator or a battery pack for providing power are provided, the power generator or the battery pack is carried on the operator when the portable working tool is used, and then the working main body is in a handheld type, so that although the load of the handheld type of the operator can be reduced, the operator still has a large load after long-time operation, the portable working tool cannot work for a long time, and the long-time working efficiency is reduced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a waist-back type portable power assisting device for a working tool, which can transfer the hand-held force of an operator to the waist and the back, reduce fatigue and has higher working efficiency in long-time operation
The technical scheme of the invention is that the invention provides a waist-back type portable power assisting device for a working tool, which comprises an upright post, a back belt, a stay cable, a gas spring and a cross beam, wherein the upright post is arranged on the back belt; the portable working tool is characterized in that the gas spring is arranged on the stand column, the straps are arranged on the stand column, one end of the cross beam is arranged at the top of the stand column and positioned at any angle, one end of the stay cable is connected with the gas spring, the other end of the stay cable is connected with the portable working tool along the cross beam, the pressure of the gas spring and the gravity of the portable working tool reach a balance state at any position, and the portable working tool is made to be static at the position.
When the portable working tool needs to be lifted upwards, an upward force needs to be provided to break the equilibrium state, so that the piston rod of the gas spring retracts and pulls the inhaul cable to contract until the upward force disappears and the equilibrium state is reached again and the portable working tool is still at the position.
When the portable working tool needs to be moved downwards, a downward force needs to be provided to break the balance state, so that the pull rope pulls the piston rod of the gas spring to be stretched out until the downward force disappears, and the balance state is reached again and the portable working tool is stopped at the position.
The piston rod of the air spring faces downwards, and one end of the inhaul cable is connected with the end of the piston rod of the air spring.
The one end of cable and the end connection of piston rod mean, be equipped with the sliding seat in the bottom of stand, the sliding seat is fixed with the end of piston rod, be equipped with the gyro wheel in the sliding seat, the one end of cable is fixed on the cylinder body of air spring, and the other end is walked around the gyro wheel and is stretched out the stand and be connected with portable operation instrument, and the cable is flexible then drives the sliding seat and slide in the stand, and the sliding seat slides then drives the flexible of air spring.
A positioning seat is arranged outside the cylinder body of the air spring, one end of the pull rope is fixed on the positioning seat, and the other end of the pull rope bypasses the roller wheel and then penetrates through the through hole of the positioning seat after reversing.
The cable overcoat has the spool, the one end of spool is established in the stand, and the other end extends to the crossbeam, at the junction of stand and crossbeam, the spool has convex arc section.
The below of stand is equipped with waist bandage, the braces is equipped with two shoulder bandages.
The invention also comprises a storage positioning mechanism, wherein the storage positioning mechanism comprises a first positioning seat, a second positioning seat and a positioning rod, the first positioning seat is connected to the upright column in a sliding mode and locked with the upright column after sliding to be positioned at any position, the second positioning seat is connected to the cross beam in a sliding mode and locked with the cross beam after sliding to be positioned at any position, one end of the positioning rod is hinged to the first positioning seat, the other end of the positioning rod is hinged to the second positioning seat, the cross beam rotates and the upright column is folded and overlapped in a storage state, the first positioning seat slides to the middle of the upright column and is locked, the second positioning seat slides to the outer end of the cross beam and is locked, and the outer end of the cross beam is fixed on the upright column through the positioning rod.
In a use state, the cross beam rotates, the upright post is in a vertical state, the first positioning seat slides to the top of the upright post and is locked, the second positioning seat slides to the inner end close to the cross beam and is locked, and at the moment, a triangle is formed by the top of the upright post, a section from the top of the first positioning seat, a section from the inner end of the cross beam to the second positioning seat and the positioning rod, so that the positioning rod provides a supporting force for the cross beam.
A first joint and a second joint are arranged at the joint of the top of the upright post and one end of the cross beam, the first joint is fixed at the top of the upright post and provided with an inner hole, inner gears are arranged at two ends of the inner hole, the second joint is provided with three joints, two of the three joints are coaxial and embedded in a through hole of the first joint, and the other joint passes through a side wall gap of the first joint and is fixed with one end of the cross beam; the holes of the two connectors in the through hole of the first connector are respectively provided with a button which is meshed with the two connectors through a gear, the outer wall of the button is provided with a circular gear, and the inner part of the button is provided with a spring; one end of the spring abuts against the inner hole wall of the button, and the other end of the spring abuts against the inner hole wall of the second joint; in the positioning state of the cross beam, the outer ends of the circular gears at two ends are meshed with the corresponding inner gears at the same end under the action of the springs by the buttons, the inner ends of the circular gears are meshed with the second inner gears, the second joint and the buttons at two ends cannot rotate at the moment, and the cross beam and the stand column are positioned at an angle; when the angle of the cross beam is adjusted, the button is pressed inwards, the spring is extruded to enable the circular gears at the two ends to move axially inwards and to be separated from the internal gear, at the moment, the cross beam rotates freely, and the circular gears of the button are always meshed with the second internal gear.
After adopting the structure, the invention has the following advantages:
1. the portable working tool is in a balance state at any position by using the pressure of the gas spring and the gravity of the portable working tool, so that the portable working tool is still at the position, all the hand-held force is transferred to the upright post, and the upright post is generally acted on the back and waist of an operator, so that the fatigue can be reduced, and the portable working tool has higher working efficiency in long-time operation.
2. When the portable working tool needs to be moved upwards, an upward force needs to be provided to break the balance state, so that the piston rod of the gas spring retracts and pulls the inhaul cable to retract until the upward force disappears, the balance state is achieved again, and the portable working tool is still at the position, namely, when the portable working tool moves upwards, the portable working tool can be achieved only by a small upward pulling force which is far smaller than the gravity of the portable working tool, and the burden of an operator is not increased.
3. When the portable working tool needs to move downwards, a downward force needs to be provided to destroy the balance state, so that the pull cable pulls the piston rod of the air spring to stretch out until the downward force disappears, the balance state is achieved again, and the portable working tool is still at the position, namely, when the portable working tool moves downwards, the pull force can be achieved only by a small downward pull force which is far smaller than the gravity of the portable working tool, and the burden of an operator is not increased.
4. Because the piston rod of air spring is down, and adopt the gyro wheel structure, can adopt on the market standard part air spring like this, reduce cost, and the cable is flexible then drives the sliding seat and slides in the stand, and the sliding seat slides then drives the flexible of air spring, makes the piston rod of air spring more stable when the atress, can not control the skew, all act on the piston rod promptly, increase stability and reliability.
5. The device solves the problem that the weight of the hand-held working tool carried by the arm is transferred to the shoulder and back, thereby relieving or alleviating or even eliminating the fatigue caused by the hand-held working tool and improving the working efficiency. The portable fruit bagging machine is suitable for alleviating, relieving or eliminating the fatigue caused by the handheld operation tool in scenes such as the use scenes of the handheld young fruit bagging machine.
Drawings
Fig. 1 is an exploded view of a power assist device for a portable power tool of the invention.
Fig. 2 is a schematic view of a power assisting device for a portable waist-back type working tool according to the present invention.
FIG. 3 is a schematic view of the connection of the gas spring of the present invention.
Fig. 4 is a schematic view of the installation of the roller of the present invention.
Fig. 5 is a complete schematic view of the power assisting device of the portable waist-back type working tool of the invention.
Fig. 6 is a schematic view showing a storage state of the power assisting device for a portable power tool of a waist-back type according to the present invention.
Fig. 7 is a partially exploded view of another embodiment of the connection structure of the pillar and the beam according to the present invention.
Fig. 8 is a schematic sectional view of another embodiment of the connection structure of the pillar and the beam according to the present invention.
As shown in the figure: 1. the portable working tool comprises a column, 2, a strap, 2.1, shoulder straps, 3, a stay cable, 4, an air spring, 5, a cross beam, 6, a portable working tool, 7, a sliding seat, 8, a roller, 9, a positioning seat, 10, a wire pipe, 11, a first positioning seat, 12, a second positioning seat, 13, a positioning rod, 14, a first joint, 14.1, an internal gear, 15, a second joint, 15.1, a second internal gear, 16, a button, 16.1, a circular gear, 17, a spring, 18 and a waist strap.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1-6, the power assisting device for a portable waist-back working tool of the present invention comprises a column 1, a strap 2, a cable 3, a gas spring 4 and a beam 5; the air spring 4 is arranged on the upright post 1, the air spring 4 adopts a standard part, and the braces 2 are arranged on the upright post 1. The upright post 1 of the embodiment is a hollow structure, and the gas spring 4 is installed inside the upright post 1.
One end of the cross beam 5 is arranged at the top of the upright post 1 and positioned at any angle, the inner end of the cross beam 5 is rotatably connected with the top of the upright post 1, so that the angle between the cross beam 5 and the upright post 1 can be adjusted, and the cross beam 5 is approximately at an angle vertical to the upright post 1 in normal use. When the storage is performed, the cross member 5 is rotated so that the cross member 5 and the column 1 are overlapped and substantially parallel to each other.
3 one end of cable is connected with air spring 4, and the other end is connected with portable operation instrument 6 along crossbeam 5, is equipped with the reverse wheel at the outer end 5 of crossbeam 5, makes cable 3 crooked extension downwards, and the cable 3 is crooked once to crossbeam 5 after coming out from stand 1 this moment, along whole root crossbeam 5 after, again downwards with portable operation instrument 6, makes cable 3 bypass from operating personnel's top of the head.
The pressure of the gas spring 4 and the weight of the portable working tool 6 reach an equilibrium state at any position, and the portable working tool 6 is stationary at that position. When the portable working tool needs to be moved upwards, an upward force needs to be provided to break the equilibrium state, so that the piston rod of the gas spring 4 retracts and pulls the cable 3 to retract until the upward force disappears and the equilibrium state is reached again and the portable working tool is stopped at the position. When the portable working tool needs to be moved downward, a downward force needs to be provided to break the equilibrium state, so that the pull cable 3 pulls the piston rod of the gas spring 4 to be expanded until the downward force disappears and the equilibrium state is reached again and the portable working tool is stopped at the position.
The piston rod of the gas spring 4 faces downwards, and one end of the inhaul cable 3 is connected with the end part of the piston rod of the gas spring 4. The connection between one end of the inhaul cable 3 and the end of the piston rod means that a sliding seat 7 is arranged in the bottom of the upright post 1, and the sliding seat 7 is fixed with the end of the piston rod. As shown in fig. 4, a roller 8 is disposed in the sliding seat 7, one end of the cable 3 is fixed on the cylinder body of the gas spring 4, the other end of the cable bypasses the roller 8 and extends out of the upright post 1 and is connected with the portable working tool 6, the sliding seat 7 is driven by the extension of the cable 3 to slide in the upright post 1, and the sliding seat 7 drives the extension of the gas spring 4 by the sliding. Through this structure, make cable 3 when the piston rod of pulling air spring 4, make both sides atress about the piston rod to can stretch out and draw back more smoothly more by the piston rod, the occasion of high frequency use simultaneously can increase air spring 4's durability. Meanwhile, on the premise that the elasticity of the air spring adopted in the market is larger, when some portable tools only need smaller elasticity, the stress on the inhaul cable 3 is half of the elasticity of the air spring through the structure of the idler wheel 8, and therefore the use requirement under the condition can be met. The cross section of the sliding seat 7 is of a diamond structure, can be embedded into a rectangular inner hole of the upright post 1 and arranged along a diagonal line, and can only stretch up and down in the upright post 1 without rotating.
As shown in fig. 3, a positioning seat 9 is arranged outside the cylinder body of the gas spring 4, one end of the cable 3 is fixed on the positioning seat 9, the other end of the cable bypasses the roller 8 and then passes through a through hole of the positioning seat 9, and the through hole can play two roles for the cable 3: the tip effect of first fixed cable 3 one side, another is to leading around cable 3 behind rear roller 8, avoids touchhing down and increase frictional force with the inside of stand 1.
A conduit 10 is sleeved outside the inhaul cable 3, one end of the conduit 10 is arranged in the upright post 1, and the inner end of the conduit 10 is fixed in a through hole of the positioning seat 9, so that the inhaul cable 3 can enter the conduit 10 after passing through the positioning seat 9; the other end of conduit 10 extends to crossbeam 5, and before the outer end of crossbeam 5 turned, then cable 3 stretched out conduit 10, and the effect of conduit 10 protects cable 3, also can reduce the frictional force of cable 3 simultaneously. The conduit 10 has a convex arc section at the junction of the upright 1 and the cross beam 5, so that when the cross beam 5 rotates around the upright 1, the conduit 10 is not stretched, and the required length can be extended by enough rotation in advance.
As shown in fig. 5, a waist strap 18 is provided below the upright 1, and the shoulder strap 2 is provided with two shoulder straps 2.1.
One end of the positioning rod 13 is hinged to the first positioning seat 11, the other end of the positioning rod is hinged to the second positioning seat 12, in a storage state, the cross beam 5 rotates, the stand column 1 is folded and overlapped, the first positioning seat 11 slides to the middle of the stand column 1 and is locked, the second positioning seat 12 slides to the outer end of the cross beam 5 and is locked, and the outer end of the cross beam 5 is fixed on the stand column 1 through the positioning rod 13.
As shown in fig. 5, in a use state, the cross beam 5 rotates and the upright post 1 is in a vertical state, the first positioning seat 11 slides to the top of the upright post 1 and is locked, the second positioning seat 12 slides to a position close to the inner end of the cross beam 5 and is locked, and at this time, a triangle is formed by a section from the top of the upright post 1 to the first positioning seat 11, a section from the inner end of the cross beam 5 to the second positioning seat 12, and the positioning rod 13, so that the positioning rod 13 provides a supporting force for the cross beam 5.
Embodiment 2 of the connection structure of the column 1 and the cross beam 5 of the present invention:
as shown in fig. 7 and 8, a first joint 14 and a second joint 15 are arranged at a joint between the top of the upright post 1 and one end of the cross beam 5, the first joint 14 is fixed at the top of the upright post 1, the first joint 14 is provided with an inner hole, inner gears 14.1 are arranged at two ends of the inner hole, the second joint 15 is provided with three connectors, two of the connectors are coaxial and embedded in the through hole of the first joint 14, and the other connector passes through a gap in a side wall of the first joint 14 and is fixed with one end of the cross beam 5; the second joint 15 is substantially T-shaped, and two connectors located in the through hole of the first joint 14 are respectively provided with a button 16 and engaged with each other through a gear, and the two connectors located in the through hole of the first joint 14 serve as a rotation axis for swinging the cross beam 5. The two are meshed through gears, that is, a second internal gear 15.1 is arranged in the holes of the two connectors,
the outer wall of the button 16 is provided with a circular gear 16.1, and the inside of the button is provided with a spring 17; the inner section of the circular gear of each end button 16 is meshed with the second internal gear 15.1, and the outer section is meshed with or separated from the corresponding internal gear 14.1 at the same end. One end of the spring 17 abuts against the inner hole wall of the button 16, and the other end of the spring abuts against the inner hole wall of the second joint 15; the two ends of the second joint 15 are respectively provided with an inner hole and are not communicated, and the inner end of the spring 17 is propped against the bottom surface of the inner hole.
The push button 16 can slide axially between the second internal gear 15.1 and the internal gear 14.1, and the spring 17 is used for providing a pushing force to push the push button 16 outwards so that the circular gear 16.1 of the push button 16 is meshed with the internal gear 14.1.
In the positioning state of the beam 5, the outer ends of the circular gears 16.1 at two ends are meshed with the corresponding inner gears 14.1 at the same ends under the action of the springs 17 by the buttons 16, the inner ends of the circular gears are meshed with the second inner gears 15.1, the second joint 15 and the buttons 16 at two ends cannot rotate at the moment, and the beam 5 and the upright post 1 are positioned at an angle;
in the state that the cross beam 5 is adjusted in angle, the button 16 is pressed inwards, the pressing spring 17 enables the circular gears 16.1 at the two ends to move axially inwards and separate from the internal gear 14.1, at the moment, the cross beam 5 rotates freely, and the circular gear 16.1 of the button 16 is always meshed with the second internal gear 15.1.
Claims (10)
1. The utility model provides a portable operation instrument booster unit of back of waist formula which characterized in that: comprises a column (1), a strap (2), a guy cable (3), an air spring (4) and a cross beam (5); the portable working tool is characterized in that the gas spring (4) is arranged on the stand column (1), the braces (2) are arranged on the stand column (1), one end of the cross beam (5) is arranged at the top of the stand column (1) and positioned at any angle, one end of the stay cable (3) is connected with the gas spring (4), the other end of the stay cable is connected with the portable working tool (6) along the cross beam (5), the pressure of the gas spring (4) and the gravity of the portable working tool (6) reach a balance state at any position, and the portable working tool (6) is made to be static at the position.
2. The power assist device for a back-carried portable work tool of claim 1, wherein: when the portable working tool needs to be lifted upwards, an upward force needs to be provided to break the balance state, so that the piston rod of the gas spring (4) retracts and pulls the cable (3) to contract until the upward force disappears and the balance state is reached again and the portable working tool is still at the position.
3. The power assist device for a back-carried portable work tool of claim 1, wherein: when the portable working tool needs to be downwards moved, a downward force needs to be provided to break the balance state, so that the pull rope (3) pulls the piston rod of the gas spring (4) to stretch out until the downward force disappears, and the balance state is reached again and the portable working tool is still at the position.
4. The power assist device for a back-carried portable work tool of claim 1, wherein: the piston rod of the air spring (4) faces downwards, and one end of the inhaul cable (3) is connected with the end part of the piston rod of the air spring (4).
5. The power assist device for a back-carried portable work tool of claim 4, wherein: the one end of cable (3) and the end connection of piston rod mean, be equipped with sliding seat (7) in the bottom of stand (1), sliding seat (7) and the end fixing of piston rod, be equipped with gyro wheel (8) in sliding seat (7), the one end of cable (3) is fixed on the cylinder body of air spring (4), and the other end is walked around gyro wheel (8) and is stretched out stand (1) outside and be connected with portable operation instrument (6), and cable (3) are flexible then to drive sliding seat (7) and slide in stand (1), and sliding seat (7) slide then to drive the flexible of air spring (4).
6. The power assist device for a back-carried portable work tool of claim 5, wherein: a positioning seat (9) is arranged outside the cylinder body of the air spring (4), one end of the inhaul cable (3) is fixed on the positioning seat (9), and the other end of the inhaul cable bypasses the roller (8) and changes directions and then penetrates through a through hole of the positioning seat (9).
7. The power assist device for a back-carried portable work tool of claim 1, wherein: cable (3) overcoat has spool (10), the one end of spool (10) is established in stand (1), and the other end extends to crossbeam (5), in the junction of stand (1) and crossbeam (5) spool (10) have convex segmental arc.
8. The power assist device for a back-carried portable work tool of claim 1, wherein: also comprises a receiving and positioning mechanism, the receiving and positioning mechanism comprises a first positioning seat (11), a second positioning seat (12) and a positioning rod (13), the first positioning seat (11) is connected on the upright post (1) in a sliding way and locked with the upright post (1) after sliding to be positioned at any position, the second positioning seat (12) is connected on the cross beam (5) in a sliding way and locked with the cross beam (5) after sliding to be positioned at any position, one end of the positioning rod (13) is hinged with the first positioning seat (11), the other end is hinged with the second positioning seat (12), in the storage state, the beam (5) rotates and the upright post (1) is folded and superposed, the first positioning seat (11) slides to the middle part of the upright post (1) and is locked, the second positioning seat (12) slides to the outer end of the cross beam (5) and is locked, the outer end of the cross beam (5) is fixed on the upright post (1) through a positioning rod (13).
9. The power assist device for a back-carried portable work tool of claim 8, wherein: in a use state, the cross beam (5) rotates and the upright post (1) is in a vertical state, the first positioning seat (11) slides to the top of the upright post (1) and is locked, the second positioning seat (12) slides to the inner end close to the cross beam (5) and is locked, at the moment, a triangle is formed by the top of the upright post (1) to one section of the first positioning seat (11), the inner end of the cross beam (5) to one section of the second positioning seat (12) and the positioning rod (13), and the positioning rod (13) provides a supporting force for the cross beam (5).
10. The power assist device for a back-carried portable work tool of claim 1, wherein: a first joint (14) and a second joint (15) are arranged at the joint of the top of the upright column (1) and one end of the cross beam (5), the first joint (14) is fixed at the top of the upright column (1), the first joint (14) is provided with an inner hole, inner gears (14.1) are arranged at two ends of the inner hole, the second joint (15) is provided with three connectors, two of the connectors are coaxial and embedded into a through hole of the first joint (14), and the other connector penetrates through a side wall gap of the first joint (14) and is fixed with one end of the cross beam (5); the holes of the two connectors in the through hole of the first connector (14) are respectively provided with a button (16) which are meshed through gears, the outer wall of the button (16) is provided with a circular gear (16.1), and the inner part of the button is provided with a spring (17); one end of the spring (17) abuts against the inner hole wall of the button (16), and the other end of the spring abuts against the inner hole wall of the second joint (15); in the positioning state of the cross beam (5), the outer ends of the circular gears (16.1) at two ends are meshed with the corresponding inner gears (14.1) at the same end under the action of the springs (17) by the buttons (16), the inner ends of the circular gears are meshed with the second inner gears (15.1), the second joint (15) and the buttons (16) at two ends cannot rotate at the moment, and the cross beam (5) and the upright post (1) are positioned at an angle; when the angle of the cross beam (5) is adjusted, the button (16) is pressed inwards, the spring (17) is extruded to enable the circular gears (16.1) at the two ends to move inwards in the axial direction and be separated from the internal gear (14.1), at the moment, the cross beam (5) rotates freely, and the circular gears (16.1) of the button (16) are always meshed with the second internal gear (15.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016791.3A CN113771008B (en) | 2021-08-31 | 2021-08-31 | Waist-back type portable operation tool booster |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111016791.3A CN113771008B (en) | 2021-08-31 | 2021-08-31 | Waist-back type portable operation tool booster |
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| Publication Number | Publication Date |
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| CN113771008A true CN113771008A (en) | 2021-12-10 |
| CN113771008B CN113771008B (en) | 2023-10-03 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080282845A1 (en) * | 2007-05-18 | 2008-11-20 | Aj Manufacturing Co., Inc. | Indexable Pry Tool and Splined Coupling Arrangement Therefor |
| CN202327591U (en) * | 2011-12-08 | 2012-07-11 | 安徽巨一自动化装备有限公司 | Knapsack type labor-saving device of spring balancer |
| CN203843349U (en) * | 2014-01-06 | 2014-09-24 | 山东金鹏钢结构幕墙有限公司 | Mobile double-protection automatic welder |
| US8898862B1 (en) * | 2014-04-29 | 2014-12-02 | Andrew H. McGrath | Push-button, locking hinge assembly |
| JP2018099570A (en) * | 2018-03-28 | 2018-06-28 | 株式会社ダスキン | Double side push button spring-type multistage rotation-type wiper body holding tool, and cleaning tool |
| CN211813109U (en) * | 2020-03-11 | 2020-10-30 | 河南铁福来装备制造股份有限公司 | Rotatory retractable davit |
| CN111969494A (en) * | 2020-08-03 | 2020-11-20 | 安徽送变电工程有限公司 | 4 x 'one pulls 2' stringing coaster stores pylon |
| CN212352010U (en) * | 2020-06-04 | 2021-01-15 | 上海阿力智能科技有限公司 | Upper limb negative pressure boosting system |
| CN212503702U (en) * | 2020-06-01 | 2021-02-09 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Movable safety belt hanging point device for aerial work |
-
2021
- 2021-08-31 CN CN202111016791.3A patent/CN113771008B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080282845A1 (en) * | 2007-05-18 | 2008-11-20 | Aj Manufacturing Co., Inc. | Indexable Pry Tool and Splined Coupling Arrangement Therefor |
| CN202327591U (en) * | 2011-12-08 | 2012-07-11 | 安徽巨一自动化装备有限公司 | Knapsack type labor-saving device of spring balancer |
| CN203843349U (en) * | 2014-01-06 | 2014-09-24 | 山东金鹏钢结构幕墙有限公司 | Mobile double-protection automatic welder |
| US8898862B1 (en) * | 2014-04-29 | 2014-12-02 | Andrew H. McGrath | Push-button, locking hinge assembly |
| JP2018099570A (en) * | 2018-03-28 | 2018-06-28 | 株式会社ダスキン | Double side push button spring-type multistage rotation-type wiper body holding tool, and cleaning tool |
| CN211813109U (en) * | 2020-03-11 | 2020-10-30 | 河南铁福来装备制造股份有限公司 | Rotatory retractable davit |
| CN212503702U (en) * | 2020-06-01 | 2021-02-09 | 中国大唐集团科学技术研究院有限公司华中电力试验研究院 | Movable safety belt hanging point device for aerial work |
| CN212352010U (en) * | 2020-06-04 | 2021-01-15 | 上海阿力智能科技有限公司 | Upper limb negative pressure boosting system |
| CN111969494A (en) * | 2020-08-03 | 2020-11-20 | 安徽送变电工程有限公司 | 4 x 'one pulls 2' stringing coaster stores pylon |
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